20958007

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157579}}^1$

素因数の和:157605

約数の個数: 8

約数和(自身を含む): 25212800

約数和(自身を除く): 4254793

約数列:

[1, 7, 19, 133, 157579, 1103053, 2994001, 20958007]

約数ペア:

[(1, 20958007), (7, 2994001), (19, 1103053), (133, 157579)]